1.on the right track 做對了;走上正路了
例句:I believe that our economic development over the past few years confirms that they are on the right track.
回顧過去幾年的經濟發展,我相信這個方向是正確的。
2.under lock and key 妥善保管;鎖起來
例句:Until then, keep your own diaries under lock and key.
在那以前,記住,把你自己的日記鎖好。
3.give a sigh of relief 如釋重負;松了一口氣
例句:He gave a sigh of relief.
他如釋重負地嘆了口氣。
4.wear sb out 使...累壞了
例句:Your tests really wear me out.
你的測試真是讓我累壞了。