1. lose track of 失去音訊
Rose and I remained in touch for a few years via periodic phone calls, but after awhile we lost track of one another.
接下來的幾年里，我們通過定期打電話來保持聯(lián)絡(luò)，但不久我們便失去了彼此的音訊FG0N8SCCZ^r%([J_@。

2. check up on 核對(duì)；察看某人的情況
I was on my way to bed and had wanted to check up on the kids first.
我正準(zhǔn)備上床睡覺，然后就想先去察看一下孩子的情況ZSgNYNf*Vla8_PN2。

3. be unaccounted for 下落不明
A passenger train with an unknown number of people aboard was unaccounted for on a line outside Sendai, Kyodo News reported.
一列客車，載員人數(shù)未知，已在仙臺(tái)附近失去聯(lián)系，下落不明VTWdzHEjvu#o。

4. either way無論是兩種情況中的哪一種
To be reborn as a dog or to slander the teacher, either way, is quite a pity!
無論是轉(zhuǎn)世為狗，還是辱罵上師，都是十分可憐的y5&ORKi&y+8。