pin down

词形变化：

动词过去式: pinned | 动词过去分词: pinned | 动词现在分词: pinning | 动词第三人称单数: pins |

同义词：

fasten | stick | clasp | clip | hook | attach | fix | secure | hold | pin down | hold down | restrain | jot | iota | tittle | smidgen | pinch | brooch | badge | straw | needle | cork | stem | peg | pivot | immobilise | tholepin | flag | personal identification number | fall | immobilize | trap | oarlock | rowlock | bowling pin | thole |

反义词：

unpin |