Describe this fruit rather than a fixed category
The pictures pair colors with red and green apples, a yellow banana, purple grapes, a red strawberry, a green watermelon, a yellow lemon and an orange tangerine. Each caption describes the example shown. A color is not a permanent definition of a fruit: apples can have different skins, grapes can be green, and bananas change appearance as they ripen. This distinction matters when using the phrase outside the picture exercise. 红苹果 identifies a red apple in the present description; it does not say that every apple is red. Compare the two apple pictures first, since they make the difference between the fruit name and its color especially easy to see.
Keep the fruit name together as a word
苹果, 香蕉, 葡萄, 草莓, 西瓜, 柠檬 and 橘子 are the fruit names used here. Many have two syllables, and the full combination is what you need to recognize. In everyday Mandarin, the second syllable of 葡萄 is commonly light, and 子 in 橘子 is also normally unstressed. The pinyin captions preserve those pronunciation clues. Do not assume that an English fruit word translates into a single Chinese character. For example, 苹果 is the useful complete word for apple in these examples. When the color is added, first find the fruit name at the end of the phrase, then identify the description before it. This helps you avoid blending the two vocabulary items into one unexplained sound sequence. The retained caption 青苹果 uses 青 rather than 绿. In this phrase it can describe a green apple, while context may also suggest an unripe one. Do not infer ripeness from the word or picture alone when the distinction matters.
Colors usually come before the fruit
红苹果 places 红 before 苹果, while the existing caption 青苹果 describes the green apple and keeps the noun. A longer description can use 色 and 的, as in 橙色的橘子. The word 的 connects the description to the fruit; it is not an English possessive in this example. Short familiar combinations can omit it, but not every longer descriptive phrase should be shortened mechanically. For a full statement, 这个苹果是红色的 says that this apple is red. A phrase naming an object and a sentence making a statement about it have different jobs. Practise both so that you can recognize a caption and also answer a question about the fruit's appearance.
Count whole fruit, bunches and pieces differently
个 is a useful classifier with whole apples, watermelons, lemons and many other individual fruits. Grapes introduce another choice: 一串葡萄 describes a bunch, while 一颗葡萄 identifies one grape. A cut piece of watermelon can be 一块西瓜, which is different from an entire watermelon. These changes concern the unit being counted, not a change in the fruit's basic name. 两个苹果 means two apples, and the noun itself has no plural ending. When buying fruit by weight, a weight unit replaces the individual counting unit in the quantity expression. Look at whether the picture shows a whole object, several small fruits together or a cut portion before deciding which counting phrase communicates the amount.
Orange as a color is different from a fruit name
English orange can name a color or a fruit, but the Chinese words need to be chosen for the intended meaning. 橙色 is a color expression. 橘子 names the tangerine or mandarin-type fruit shown in this unit, while 橙子 is a common word for an orange fruit. The phrase 橙色的橘子 therefore describes the color of a tangerine; it does not rename the fruit. A green watermelon picture also needs interpretation: 绿西瓜 here describes the visible green outside, not a promise that the flesh is green. When the inside matters, say that you are talking about the flesh. Pictures show one visible surface, while a conversation may require a more precise description.
Separate color, taste and ripeness
A color word tells the listener about appearance, but it does not automatically tell them whether fruit is sweet, sour or ripe. 这个苹果很甜 says that an apple is sweet, while 这个苹果是绿色的 says that it is green. A green apple is not necessarily unripe, because some varieties remain green when ripe. Start by naming a fruit and its visible color, then add a separate sentence if you know its taste. Compare red and green apples without assuming one must taste a particular way. Finally, ask someone to choose between the pictures using a phrase such as 你喜欢哪种苹果. The noun identifies the fruit, and the color helps distinguish the particular option being discussed.