to be in charge of or control something
负责或控制某事 (fuze huo kongzhi mou shi)
"He was at the helm of the company when it became successful."
"他在公司成功时掌舵。" (Ta zai gongsi chenggong shi **zhangduo**.)
to be responsible for a mistake or bad situation.
to forget past mistakes and start fresh
to present a situation in a particular way
to attract all the attention or praise
to remember or consider something
to prepare for every possible situation