to send someone a short message or note
誰かに短いメッセージやメモを送ること (dareka ni mijikai messeeji ya memo o okuru koto)
"Please drop me a line when you arrive safely."
"安全に到着したら私に一言連絡してください。" (anzen ni touchaku shitara watashi ni hitokoto renraku shite kudasai)
to do one's fair share of work or duty
success for someone inexperienced
to transfer or store one’s thoughts, knowledge, or conscious...
to lower the intensity or energy; to calm things
to use the law in a dishonest way to achieve something
to agree to something or support an idea