英英释义
Verb- work very hard, like a slave
例句
用作不及物动词(vi.)- Tom did not knuckle down under the attacks.面对这些攻击，汤姆并没有屈服。
- Are you going to take the challenge lying down?你打算屈服于这种挑战吗？
- He had to climb down when he saw the evidence.他一看到证据就只好认输。
- His forceful argument soon made the opposing speaker step down.他有力的论点很快就使对方的发言者认输了。
- It's time to knuckle down to work.该开始努力工作了。
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