1) Jack abides by his friends.
杰克忠于朋友。
2) He abides by his friends.
他忠于朋友。
3) He is constant to his friends .
他忠于他的朋友。
6) welsh on a friend
失信于朋友
补充资料:忠实
①忠诚老实,十分可靠:忠实厚道|忠实的信徒|忠实的朋友。②真实正确:这本小说是他一生忠实的写照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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