chin
/ˈtʃɪn; tʃɪn/ n
1 part of the face below the mouth; front part of the lower jaw 颏; 下巴
a double chin, ie a fold of fat under the chin 双下巴. =>illus at head 见head之插图.
2 (idm 习语) chuck sb under the chin => chuck1. keep one's `chin up (infml 口) remain cheerful in difficult circumstances 在困难环境下仍然乐观; 毫不气馁.