lapdog (n.)youdaoicibaDictYouDict[lapdog 词源字典]
also lap-dog, 1640s, from lap (n.) + dog (n.); figurative sense of "subservient person" is by 1950.
Senator McCarthy (R-Wis) renewed his Communists-in-Government charges today and called Senator Tydings (D-Md) the Truman administration's "whimpering lap dog." [AP news story, Aug. 7, 1950]
[lapdog etymology, lapdog origin, 英语词源]
unappeasable (adj.)youdaoicibaDictYouDict
1560s, from un- (1) "not" + appeasable. Related: Unappeasably.
Desolate winds that cry over the wandering sea;
Desolate winds that hover in the flaming West;
Desolate winds that beat the doors of Heaven, and beat
The doors of Hell and blow there many a whimpering ghost;
O heart the winds have shaken, the unappeasable host
Is comelier than candles at Mother Mary's feet.

[W.B. Yeats, "The Unappeasable Host," 1899]
whimper (v.)youdaoicibaDictYouDict
1510s, probably of imitative origin, or from German wimmern "to whimper, moan." Related: Whimpered; whimpering. The noun is first recorded c. 1700.