tighten up

短语

使紧密, 加强; 收紧

词形变化

tightened up tightening up tightens up 三单 tightens up tightening up 现在分词 tightened up 过去式 tightened up 过去分词

释义与例句

v.
  1. 1.

    To make sufficiently tight.

    及物
  2. 2.

    To fix something or make it correct.

    及物
  3. 3.

    To become tense and restrained.

    不及物
  4. 4.

    To become, or make, more stringent and ungenerous.

    不及物 及物
  5. 5.

    To become focused and serious; to stop any vacillation or inconsistency.

    不及物

词汇关系

动词

同义词 3

tighten stiffen constrain

上位词 6

bound limit throttle confine restrict trammel