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)
learning by experimenting and correcting mistakes
To support or defend someone.
intelligence or brainpower
a person who works too much and finds it hard to stop
to separate or end a relationship or marriage
honest and sincere; not trying to deceive