- 第一线 dìyīxiàn forefrontThe most crucial part of an operation; people working directly in production, teaching, research, sales, or front-line leadership
- 一线希望 yīxiànxīwàng a ray of hopea gleam of hope; a very slim chance of success or improvement
- 一线生机 yīxiànshēngjī a slim chance of survival(idiom) a very small or remaining chance to survive; a ray of hope; a fighting chance
- 一针一线 yīzhēnyīxiàn a single needle and threadevery tiny thing; stitch by stitch; small items of handiwork
- 千里姻缘一线牵 qiānlǐyīnyuányīxiànqiān love will find a way(proverb) couples who are destined to be together will be joined by a thread even if they are a thousand miles apart; emphasizes that marriage is determined by fate despite geographic distance
- 日长一线 rìchángyīxiàn days getting longerThe daytime gradually lengthens after the winter solstice.
- 一线之隔 yīxiànzhīgé a fine linea very thin dividing line; a fine distinction between two things
- 一线之间 yīxiànzhījiān a fine linea fine distinction; a hair's breadth apart
- 一线天 yīxiàntiān narrow sliver of skyA thin strip of sky visible from the bottom of a deep valley or a narrow gap between two cliffs; also refers to caves or canyons with this specific terrain.
- 一线微光 yīxiànwēiguāng gleama glimmer of light; a single ray of light; a gleam
- 一线曙光 yīxiànshǔguāng a ray of hopea single beam of light at dawn; metaphorically refers to a small glimmer of hope or an improvement in prospects