tightrope

n 1 rope stretched tightly high above the ground, on which acrobats perform （供杂技演员表演用的）　紧的绳索或钢丝: [attrib 作定语] a tightrope walker 走钢丝的演员. 2 (idm 习语) tread/walk a `tightrope have to act in a situation which allowslittle scope for manoeuvre and in which an exact balance must be preserved 无甚回旋余地需小心权衡行事.

tie-dyeing, tie-on, tie-pin (US `stickpin, `tie-tack), tie-up, tied, tier, tiered, tiff, tig, tiger, tiger-lily, tiger-moth, tigerish, tight, tight-fisted, tight-lipped, tighten, tightfisted, tightly, tightness, tights, tigress, tike, tilde, tile, till, tillage, tiller, tilt, tilted, tilth, timber, timber-line, timber-wolf, timbered, timbre, time, time bomb, time exposure, time warp,