差劲: no good; disappointing 短语和例子你在她困难的时候抛弃她, 真是太差劲了。 it's too bad of you to desert her in trouble. 这条路坑坑洼洼的, 太差劲了。 the road is no good; it's rough and full of holes. 真差劲, 麦子刚上场就下起雨来了。 too bad!
记忆力: the faculty of memory; memory 短语和例子记忆力薄弱 mnemasthenia; 记忆力衰退 one's memory is failing. 记忆力强 have a good memory; 记忆力弱 have a poor memory; 锻炼记忆力 discipline the memory; exercise one's memory;