at a time

a la vez, por vez

En grupos del número indicado en cada acción o turno.

En inglés sencillo: In groups of the stated number during each action or turn.

• Come in one at a time.
• He carried the boxes two at a time.
• Only three people can use the lift at a time.

Sinónimos: at once, together

Expresiones frecuentes: one at a time, two at a time

seguidos, sin interrupción

Durante todo el período indicado, sin hacer pausas.

En inglés sencillo: For the whole length of a stated period, without a break.

• He reads for hours at a time.
• They used to stay away for months at a time.
• Can you work for two hours at a time without a break?

Sinónimos: without a break, at a stretch

Expresiones frecuentes: hours at a time, weeks at a time

en un momento, en una época

Durante una época o un momento concreto en que sucede o se da otra cosa.

En inglés sencillo: During a particular period when something else is happening or true.

• She helped us at a time when we needed support.
• The price rose at a time when wages were falling.
• We cannot move house at a time like this.

Cómo se usa: at a time when + clause (The shop opened at a time when few people had money.)

Sinónimos: during a period

Expresiones frecuentes: at a time when, at a time like