challenging

US /ˈtʃæləndʒɪŋ/

UK /ˈtʃælɪndʒɪŋ/

A2 初級英檢高級
adj.形容詞有困難做...
This is a really challenging course
v.t.及物動詞正式邀請
He is challenging the unbeaten karate master to a fight
v.t.及物動詞質疑
You have to stop challenging everything that he says
adj.形容詞具挑戰性的
This has been a challenging assignment.

影片字幕