that's all I need/that's just what I didn't needspoken used when saying that you did not want something to happen, especially when it seems annoying 真是时候〔尤用于不喜欢的事偏偏发生之时〕 ‘There’s a customer for you on the phone.’ ‘That’s all I need!’ “有个顾客打电话找你。”“真是时候!”
→ that’s all I need/that’s just what I didn’t need at need1(5)