do one's level best

v.

全力以赴；尽心竭力；

One's Level Best On the Canal
Do Your Level Best!; There's No Need to Despair If Tomorrow's A Level Results Are Disappointing THE Scramble for University Places B...
Football: New Legend Driven to Do His Level Best Norman Fox Explains How Sir Matt's Faith Can Be Joyously Fulfilled
Football: O'Leary Grasps History FA Premiership: Leeds Do Their Level Best to Match Record Winning Run of Legendary Seventies Side
England's Level Best Not Enough; Knight the Hero but Wide Tactics Leave Tourists One Run Short
Students Do Level Best
Green's Level Best; Last Ball Run-Out Saves Lancashire
BENT TRUMPS SCOLARI'S ACE; Level Best: Bent (above) Hits the Equaliser to Frustrate Owner Roman Abramovich (Left) after Belletti and...
LUKE IN WITH A SHOT AT GLORY; Donald's Level Best Keeps Him in the Hunt
Apprentices do their level best