出席できなかった

couldn't attend

→ 出席
phrase Uncommon #12,148
couldn't attend A past-tense expression meaning that someone was unable to attend or be present at a meeting, event, class, or other gathering.
JA: 仕事が忙しくて、会議に出席できなかった。
EN: I was too busy with work to attend the meeting.

彼は事故でその出席できなかった

He couldn't attend the ceremony because of the accident.

私は病気のためパーティーに出席できなかった

I couldn't attend the party because I was ill.

具合が悪くてあのパーティーに出席できなかったんです

I wasn't feeling well, so I couldn't attend that party.