力求: to make every effort to, striving to do one's best...
搜救: search and rescue...
口令: oral command, a word of command (used in drilling troops or gymnasts), password (used by sentry)...
尺寸: size, dimension, measurement...
闲话: casual conversation, chat, gossip, to talk about (whatever comes to mind)...
渡: to cross, to pass through, to ferry...