right now 现在，马上;

soon 很快，一会儿;

in a minute 立即，马上;

at the moment 此刻;

sooner or later 迟早;

shortly 不久，马上;

in the future 将来;

in a few days 过几天，几天之后;

the other day 不久前的某天，几天以前;

in the past 过去;

a long time ago很久以前