Onun taahhütü fon eksikliğinden başarısız oldu.
- His undertaking failed for lack of funds.
O, çaba eksikliği nedeniyle başarısız oldu.
- He failed due to lack of effort.
... disappointed with the lack of progress I've seen in the last four years. However, I do ...
... it's not for lack of trying and we're going to get it done in a second term. But, ...