手ごわい

i-adjectiveてごわい · tegowai

1. Englishdifficult; tough; formidable; redoubtable

   • あいつは海千山千だから、取り引き相手としてはかなり手強いぞ。All those tricks he's got up his sleeve make him a formidable client.

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)