1.[I,T](使)放松，变松
2. 及物动词：解开，松开(衣服、头发等)
3. 及物动词：松开，放开(手等)
4. 及物动词：(使)变弱，松散，疏远
【习】loosen sb‘s tongue 使无拘无束地说话，使自由自在地说
词形变化
- 时态 loosened，loosening，loosens
- cause to become loose
- make loose or looser
- make less severe or strict
- disentangle and raise the fibers of
- become less severe or strict
- make less dense
- become loose or looser or less tight