犀利的目光 meaning in English

sharp eyes

The detective sat down facing john, his eyes impaling the young man .
侦探面对约翰坐下，犀利的目光逼视着这个年轻人。
"we shall see," returned the old gentleman, with a searching glance .
“我们走着瞧，”老绅士用犀利的目光看了他一眼回答说。
" we shall see , " returned the old gentleman , with a searching glance
“我们走着瞧， ”老绅士用犀利的目光看了他一眼回答说。
But she said it with a hesitation that did not escape the acuteness of the child
但她说话时有点犹豫，这没有逃过孩子犀利的目光。