| 词汇 | knuckle down |
| 释义 | knuckle down [phrasal verb] informal : to begin to work hard开始努力工作 It's time to knuckle down and get to work.是时候开始埋头苦干了。 — often + to She knuckled down to the task.她开始认真对待那项任务。 knuckle |
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