burn oneself out

(因过劳而)筋疲力尽

burger, burgh, burgher, burglar, burglar-alarm, burglar-proof, burglary, burgle, burgomaster, Burgundy, burial, burial service, burial-ground, burlesque, burliness, burly, burn, burn (itself) out, burn (sth) to sth, burn down, burn out, burn sth off, burn up, burn-up, burner, burning, burnish, burnous, burnt, burnt down, burnt offering, burp, burr, burriedly, burrow, bursar, bursary, burst, burst into, burst into laughter,