a doleful look的用法和样例：
- He always shows a doleful expression.
- I refuse to barter incentive for a dole.
- Look at the photograph with him chastening past, observing a doleful life, be determined to begin to reduce weight.
- He had short, bandy legs, long straggly ginger hair and bloodshot, baggy eyes that gave him the doleful look of a basset hound.