使痛苦to make things hard for somebody

• 切莫这样自苦。

  Don't make things hard for yourself.

• 家口多，可苦了他了。

  Having a big family makes things hard for him.

• 孩子多，总是苦了母亲。

  Having lots of children always makes things hard for a mother.

参见：苦于

味苦bitter

• 苦味

  bitter taste

• 味苦

  taste bitter

• 面粉发苦。

  The flour has gone bad.

• 嘴里发苦

  a bitter taste in the mouth

• 略微有点苦

  a little bitter

痛苦hard

• 苦日子

  hard days

• 说不出的苦

  unspeakable hardship

• 有苦说不出

  unspeakable hardship

• 吃二遍苦

  suffer the same hardship again

• 不忘昔日苦，牢记今日甜

  keep today's happiness in mind without forgetting yesterday's suffering

竭力hard

• 苦劝

  earnestly advise

过分<方>too much

• 指甲剪得太苦了

  the fingernails are clipped too short