線

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)

spring (small stream) / mouth of a spring / coin (archaic)

"silk" radical in Chinese characters (Kangxi radical 120), occurring in 紅|红[hong2], 綠|绿[lü4], 累[lei4] etc / also pr. [mi4]

front line

to go offline

to go offline / (of a product) to roll off the assembly line / downline (person below oneself in a pyramid scheme)

underscore _ / underline

to make a mountain out of a molehill

gleam

38th parallel, forming the DMZ border between North and South Korea

38th parallel / dividing line agreed at Yalta between US and Soviet zones of influence in Korea, now the DMZ between North and South Korea

shamisen, three-stringed Japanese musical instrument

candlestick (in a candlestick chart)

cubic curve (geometry)

to go online / to put sth online

underline

product launching ceremony

gamma ray

China state radio regulation committee SRRC

candlestick chart

a hair's breadth apart / a fine line / a fine distinction

a fine line / a fine distinction

a gleam of hope