Moody people are very difficult to deal with.

喜怒无常的人很难打交道。

《牛津词典》

That woman is very difficult to deal with.

那个妇人很难相处。

youdao

Be careful. She is very difficult to deal with.

可得当心，她很难对付。

youdao

"A Labrador that's over 100 pounds would be very difficult to deal with in a duck boat, " Ms. Gilchrist said.

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That would be extremely unpopular with the public, and politically very difficult to deal with, managers told the BBC, adding nothing would be implemented which could in any way endanger public safety.

BBC: Devon and Somerset Fire Service facing ?5m budget cuts

But if we keep kicking the can down the road, the problem just keeps getting worse, and then at some point it will be very difficult to deal with because the consequences will be so painful.

CNN: World faces a day of financial reckoning