to work for many hours
工作很多小时 (gongzuo hen duo xiaoshi)
"He’s been putting in long hours to finish the report."
"他一直在加班工作以完成报告。" (ta yizhi zai jiaban gongzuo yi wancheng baogao)
in a difficult situation where any choice you make will have...
analyzing unknown processes by studying their inputs and out...
a carefully thought-out strategy
a decision or opinion has not yet been reached
no longer being broadcasted
to use the same tactics as one’s opponent
