不足

The animal's keen sense of smell compensates for its poor eyesight.

realizing one's personal inadequacies

inadequate resources

insufficient funds

not well-prepared

lacking/wanting of evidence

lacking confidence; diffident

be undermanned/understaffed

insufficiency of provisions

not experienced enough; lacking experience

short of funds

inadequately heated

insufficient financial resources

less than ten thousand

less than three years

not worth commending

Hearsay cannot be taken seriously.

No lesser punishment than the death sentence can assuage public indignation.