contract/ 'kɔntrækt /

1.noun [c] 
合同

2.vi.[metal] [ muscle+] 
(become smaller) 收缩

3.vi.
to contract (with sb) to do sth (和某人)订做某事的合同

4.vt.[+illness] 
感染

5.cpd [+work] 
合同

contract of employment
工作合同