Definition
to let someone down by failing to meet them or not following through with planned activities
（对某人）食言；放鸽子
She promised to come to the party, but she ended up blowing me out.
她答应要来参加派对，但最后却放我鸽子。
His absence from the important meeting blew everyone out.
他缺席了重要的会议，让每个人都很失望。
Everyone was looking forward to his arrival, but he canceled at the last minute and blew us out.
每个人都期待他的到来，但他最后一刻取消了，让我们都失望了。