beam, writhe, tethered

beamto ​smile with ​obvious ​pleasure:She beamed with ​delight/​pleasure at his ​remarks.
The ​child beamed at his ​teacher as he ​received the ​award.
[+ speech] "I'm so ​pleased to ​see you," he beamed (= said as he ​smiled).
--------------------------------------------------------------------writhe(몸부림치다)
to make ​large ​twisting ​movements with the ​body:The ​pain was so ​unbearable that he was writhing in ​agony.She was writhing around/about on the ​ground.› informal to ​experience a very ​difficult or ​unpleasant ​situation or ​emotion, such as ​extreme ​embarrassment:He and four other ​senators were writhing in the ​glare of ​unfavourable ​publicity.그와 다른 네 명의 다른 상원의원들이 여론의 질타 속에서 몸부림치고있다.
---------------------------------------------------------------------------------------tethered

​attached to something:tethered to sth Once the ​data loggers are tethered to a ​computer, they ​track ​data at whatever interval they're set at.

› closely ​connected with something, and ​changing when it ​changes:tethered to sth The ​interest ​rate ​charged will be tethered to the ​prime ​rate