失踪 - shīzōng - to be missing / to disappear / unaccounted for
借助 - jièzhù - to draw support from / with the help of
放大 - fàngdà - to enlarge / to magnify
牵动 - qiāndòng - to affect / to produce a change in sth
诈骗 - zhàpiàn - to defraud / to swindle / to blackmail
招募 - zhāomù - to recruit / to enlist
疑心 - yíxīn - suspicion / to suspect
觉察 - juéchá - to sense / to perceive / to come to realise / to be aware
不对劲 - bùduìjìn - not in good condition / wrong / fishy
试图 - shìtú - to attempt / to try
备案 - bèi'àn - to put on record / to file
探讨 - tàntǎo - to investigate / to probe
案件 - ànjiàn - case / instance
推测 - tuīcè - speculation / to conjecture / to surmise / to speculate
散布 - sànbù - to disseminate
获释 - huòshì - freed (from prison) / to obtain release
交易 - jiāoyì - (business) transaction / business deal
赴 - fù - to go / to visit (e.g. another country) / to attend (a banquet etc.)
电诈 - diànzhà - wire fraud

走投无路 - zǒutóuwúlù - to be at an impasse / in a tight spot / at the end of one's rope / desperate
收效甚微 - shōuxiàoshènwēi - with little success
愈演愈烈 - yù​yǎn​yù​liè - ever more critical / problems get more and more intense
有所作为 - yǒusuǒzuòwéi - to achieve sth worthwhile / to make a positive contribution
少之又少 - shǎozhīyòushǎo - very few / very little