to complete or carry out one's duties
выполнять свои обязательства (vypolnyat svoi obyazatelstva)
"He always tries to fulfill his obligations to his clients."
"Он всегда старается выполнять свои обязательства перед своими клиентами." (on vsegda starayetsya vypolnyat svoi obyazatelstva pered svoimi klientami)
to formally present a proposal for discussion
to be noticeably different or better than others
to abandon someone or something suddenly
to stop dealing with or thinking about something
to announce one’s candidacy or intention to compete in somet...
so surprised that you cannot speak