No. 6,338 in Chinese
成日
"成日" means "all day long" or "constantly."
In a sentence
他成日都忘记带钥匙。
He always forgets to bring his keys.
In this sentence, '成日' is used to describe something that happens frequently or habitually, indicating a consistent pattern of behavior.
她成日看电视，不读书。
She spends all day watching TV and doesn't study.
Here, '成日' implies a sense of prolonged duration throughout the day for the activity mentioned, emphasizing a negative habit.
小猫成日跳来跳去，很活泼。
The little cat jumps around all day and is very lively.
This instance illustrates how '成日' characterizes continual activity, especially when describing a playful or energetic state.
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