unchallenging
例子
The task was so unchallenging that she finished it in under an hour.
这项任务太没有挑战性了，她不到一小时就完成了。
He found the game unchallenging and quickly lost interest.
他发现游戏没有挑战性，很快就失去了兴趣。
词汇树
unchallenging
challenging
challenge
词汇树
