1. Whoever commits the crime shall be sentenced to ten years in prison.
   任何人犯了此罪就要被判處十年徒刑。
2. Whoever told you that was lying.
   誰(shuí)對(duì)你說(shuō)這話，誰(shuí)就在說(shuō)謊。
3. Whoever can that be at the door?
   在門(mén)口的究竟是誰(shuí)呢？

who.ev.er

pron.（代詞）
Whatever person or persons:
無(wú)論誰(shuí)：無(wú)論什么樣的人或人們：
例句：
Whoever comes will be welcomed.
無(wú)論誰(shuí)來(lái)都會(huì)受到歡迎

Who:
誰(shuí)：
例句：
Whoever could have dreamed of such a thingôSee Usage Note at whatever ,who
誰(shuí)會(huì)想到這種事呢ô參見(jiàn) whatever,who