这个让我笑死了！

This makes me smile to death!

This is very funny!

This makes me laugh to death!

Source: Tatoeba

Sentence Composition

1 这个 zhège
  1. (pronoun) this
  2. (adjective) this
2 让 ràng
  1. to yield
  2. to permit
  3. to let sb do sth
  4. to have sb do sth
  5. to make sb (feel sad etc)
  6. by (indicates the agent in a passive clause, like 被 bèi)
3 我 wǒ
  1. I
  2. me
  3. my
4 笑死 xiàosǐ
  1. (Internet slang) LOL
  2. LOL
  3. to cause someone to laugh convulsively
=5 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=5 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=5 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=5 了 liào unofficial variant of 瞭 liào