tuck up:把衣物、被褥等向上折起并塞好/整理好(常指把袖子、裙摆等卷起或把被子掖紧);也可指把某人安顿上床并盖好被子。(另有较少见用法,视语境而定。)
She tucked up her sleeves before washing the dishes.
她洗碗前把袖子挽了起来。
The nurse tucked him up in bed, making sure the blanket was snug around his shoulders.
护士把他在床上安顿好,把毯子在他肩头掖得严严实实。
/tʌk ʌp/
tuck 原意与“把布料塞进、折进”有关,来自中古英语,进一步可追溯到古法语中与“整理、塞入布料”相关的动词;加上 up 强调“向上折起/往上整理”的方向感,因此 tuck up 常用于描述把衣物下摆、袖口或被子“往上收、掖紧”的动作。