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give sb. an account of 说明, 解释 (理由)。

a (great/wide) range of广泛的;许多的。

a cloud of一大群;一大片。

a good/great deal (of)许多,大量。

account for (=give an explanation or reason for) 解释, 说明.

be completely in the dark一无所知，仍蒙在鼓里。

be cut out for...天生适合于……（用于否定句中）。

be fed up with...对……烦透了。

get used to习惯于。

have a crush on someone迷恋某人。

have seen better days今非昔比。

keep a straight face板着脸。

Lose one’s cool沉不住气。

make a habit of sth./doing sth.使...形成一种习惯。

make an exhibition of oneself出洋相。

play fast and loose with...敷衍了事,不正经干。

play favorites with...对……有偏心眼。

Play it cool不露声色，沉着冷静。

take…into account(=consider)把...考虑进去。