素性的英文：
might as well do sth.

melanotic freckle
【医】黑素性雀斑

If you were older you might understand.
假如你年龄再大一点，你就会理解了。

How old might she be?
她的年龄会有多大呢?

Misfortune might be a Blessing in disguise
塞翁失马焉知非福

Might is (or makes or overcomes) right
强权就是公理

You might do me a favor?
请你帮我—个忙好吗？

average sth out(at sth);calculate the average of sth
算出某事物的平均数

be agreeable to sth
欣然同意某事

at/on the altar of sth
因为，为了（值得为之受苦的事）

pretence of sth; false show of sth
假象;假相

see to sth attend to or deal with sth.
照看或处理某事物 。