| 释义 |
good ， no ～ at doing sth ： not ～ at doing sth — 420
这两个表语词组所表示的否定意义不全一样： no good at doing sth 作“于……无所长”讲，而 not good at doing sth 则是“不善于干……”的意思。
比较：
Susan is no good at cooking. 苏珊对于烹调一无所长。（ =She is useless in cooking. ）
Susan is not good at cooking. 苏珊不善于干烹调。（＝ Shedoesn't cook well. ）
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