钢丝 (gāngsī): steel wire

Measure Word

一根钢丝 gēn

杂技演员在钢丝上表演平衡。

Zájì yǎnyuán zài gāngsī shàng biǎoyǎn pínghéng.

The acrobat performed a balancing act on the tightrope.

这个栅栏是用钢丝做的。

Zhège zhàlán shì yòng gāngsī zuò de.

This fence is made of steel wire.

usage

走钢丝 (zǒu gāngsī, 'walk a tightrope') is used both literally (acrobatics) and figuratively (taking risks, walking a fine line).

钢 gāng

丝 sī