Definition
to be at a disadvantage or miss out on benefits that others enjoy
處於不利地位；蒙受損失
If you don't register early, you might lose out on the chance to attend the seminar.
如果你不早點報名，你可能會錯過參加研討會的機會。
He lost out on a huge profit in the stock market because he didn't invest in time.
他因為沒有及時投資，錯過了股市中的巨大利潤。
She was at a disadvantage and lost out compared to other candidates because she didn't prepare properly.
她處於不利地位，因為沒有做好準備，與其他候選人相比失去了機會。