到着する日時を前もって（人）に知らせる: let someone know in advance when someone will arrive〔人が〕 到着予定日を（人）に知らせる: let someone know the expected arrival date [date of one's arrival] 品物が安全に到着したことを（人）に知らせる: advise someone of the safe arrival of the goods 到着の時間を（人）に知らせる: advise someone of one's arrival time （主語）が～するのに都合の良い日を（人）に知らせる: advise someone suitable dates for one to 到着する日: day of someone's arrival〔人が〕 情報を（人）に知らせる: pass information to 手順を（人）に知らせる: advise someone of the procedures for〔～の〕 方法を（人）に知らせる: advise someone of the procedures for〔～の〕 死去を（人）に知らせる: inform someone of the death of〔人の〕 現状を（人）に知らせる: bring someone up-to-date with [on]〔～の〕 確実に（人）に知らせる: certainly let someone know 近況を（人）に知らせる: bring someone up to date on what someone is into lately〔人の〕 電信で（人）に知らせる: inform someone by cable 電話で（人）に知らせる: tell someone over the phone
