Artificial intelligent assistant

milk-livered

milk-livered, a.
  Cowardly, ‘white-livered’.

1605 Shakes. Lear iv. ii. 50 Milk-Liuer'd man, That bear'st a cheeke for blowes. 1760–72 H. Brooke Fool of Qual. (1809) III. 20 You..hare-hearted, milk-livered poltroon.

Oxford English Dictionary

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