| 词汇 | be as tough as nails |
| 释义 | (redirected from be as tough as nails)be (as) tough as nailsTo be physically strong and/or rarely sick or injured.; to be very tough. Marty has played in 500 straight games—he's tough as nails. Bert is as tough as nails, so get him to help you move all this furniture! |
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