To guard against fraud, the company implemented multi-factor authentication for all user accounts.

The sudden revelation was bringing up against him the memories he had carefully suppressed.

When the minority party had no chance of winning, its leader started to talk against time to delay the vote.

The community is standing up against the proposed factory that would pollute the river.

While carrying a stack of books up the stairs, she stumbled against the railing and nearly dropped them.

Despite her doubts, she was giving against her instincts to maintain the façade.

At the board meeting, he gave against the budget proposal after reviewing the projected deficits.

Every morning, the sleepy cat stumbles against the coffee table and sends my mug flying.

She kept stumbling against the low garden wall in the dark, cursing under her breath.

He kept holding against her the mistake she made in college, refusing to forgive her.