understatement的列句,两句就可以,

I was kind of sick the other day; it really wasn't that bad besides that I broke my arm and my leg.
My room isn't very messy besides that there are about twenty books scattered around the room with ten or so pants or shirts hanging around my bed area.

He always give me understatement when i ask him something about his wife.

It's quite an understatement to say it's been good.
说“情况一直不错”是一种相当低调保守的说法。
That sounds like typical British understatement.
那听上去像典型的英国人的谨慎说法。