difficult/ 'dɪfɪkəlt /

1.adjective [+task] [ problem] [ decision] 
困难的

2.adjective [+person] [ child] 
执拗的

Don't be difficult!
别那么执拗!
I found it difficult to...
我认为…很难
it is difficult being a parent
为人父母很难
it is difficult for us to understand her
我们很难理解她
it is difficult to save
省钱是件难事
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