- 无以为力
- difficult: adj. 1.困难的,(工作等)艰难的。 2.执拗的,顽 ...
- help: vt. (helped, 〔古语〕 holp; help ...
- be difficult of: 难于, 不易
- be difficult to: 很难去……
- difficult: adj. 1.困难的,(工作等)艰难的。 2.执拗的,顽固的。 a difficult disposition 执拗的性情。 difficult of access 难接近。 difficult to answer 难答。
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