challenges

You know me - I like a challenge.

你了解我——我喜欢挑战。

"I bet you can't eat all that food on your plate." "Is that a challenge?"

“我敢打赌你吃不完自己盘里的食物?”“这是在叫板吗？”

The result of the vote poses a serious challenge to the government's credibility.

投票结果使人们对政府的可信度提出了严重质疑。

Tina has challenged me to a game of poker

蒂娜向我挑战，要我和她玩扑克牌一决高低。

Children challenge their parents' authority far more nowadays than they did in the past.

如今子女对父母权威的质疑远远多于过去。