be ready to assist someone whenever possible
聽某人吩咐
be available to assist someone
可以給某人幫助
in or available for use
在使用；可供使用
(dated)employed as a servant
(舊)當(dāng)仆人
not available for use
不可使用
serve in the armed forces
參軍服役
he saw service in both world wars.
兩次世界大戰(zhàn)他都服過兵役。
(Brit. dated)become a servant to or worker for
(英,舊)為…幫傭；為…工作
government officials took service with the new rulers.
政府官員為新的統(tǒng)治者工作。