come along

come along意思是来吧，一起来；加把劲儿；赶快；（偶然地）发生，来到；进展；进步。 同义词： hurry up 赶紧；赶快； Hurry up. Don't walk with measured steps. 快走，别迈方步了。 tag along 是同义词，意思是跟着一起...