lend credence to
US /lend ˈkriː.dəns tuː/
UK /lend ˈkriː.dəns tuː/

1.
证实, 增加可信度
to make something seem more believable or likely to be true
:
•
The new evidence lent credence to his alibi.
新证据证实了他的不在场证明。
•
His calm demeanor lent credence to his claim of innocence.
他冷静的举止证实了他无罪的说法。