To Shake slightly
Quiver(verb)
Shake
Tremble
Formally reject or disavow a formally held belief, usually under pressure
Abjure(verb)
Reject
Renounce
Decrease in size of an organ caused by disease or disuse
Atrophy(noun)
Wasting
Degenerating
To raise trivial objections
Carp(verb)
Complain
Criticize
Swallow hurriedly or greedily or in one draught
Quaff(verb)
Guzzle
Imbibe