免遭灭顶之灾

keep one's head above water

免的英语翻译：

avoid; dismiss; escape; exempt; not allowed
【法】 acquit

遭的英语翻译：

meet with; suffer

灭顶的英语翻译：

be drowned

之的英语翻译：

go; leave; of; somebody; something; this

灾的英语翻译：

calamity; disaster; personal misfortune