Relations between the two countries are strained. 这两个国家之间的关系很紧张。
a strained atmosphere/silence 紧张的气氛/沉默
Zoe felt horribly anxious but managed to force a strained smile. 佐薇感到极其焦虑不安，但尽力挤出一丝勉强的微笑。
strained yoghurt 滤过的酸奶