to politely disagree with someone
誰かに礼儀正しく異議を唱える (dareka ni reigi tadashiku igi o tonaeru)
"I beg to differ, but I think your conclusion is incorrect."
"私は礼儀正しく異議を唱えますが、あなたの結論は間違っていると思います。" (watashi wa reigi tadashiku igi o tonaemasu ga, anata no ketsuron wa machigatte iru to omoimasu)
That opportunity is gone and cannot be used anymore.
to connect or become involved in something, usually a system...
something that makes you feel happy or pleased
to be very familiar with something; to have a thorough under...
to have surgery
to leave a place quickly or escape an unpleasant situation