C1 立刻
immediately
He could tell at a glance that something was wrong. 他一眼就看出问题了。
The rating system shows prospective buyers at a glance how people feel about the product.
She knew, at a glance, that her mother was upset with her.
I like being able to see at a glance how many steps I've taken so far today.
I could tell at a glance that it wasn't an original.
See also: glance noun