怛罗斯之战

dá luó sī zhī zhàn

Battle of Talas (751), military engagement in the valley of the Talas River 塔拉斯河[Ta3 la1 si1 He2], in which Arab forces defeated Tang armies, marking the end of Tang westward expansion

distressed

luó

gauze

abbr. for 斯洛伐克[Si1 luo4 fa2 ke4]

zhī

(possessive particle, literary equivalent of 的[de5])

zhàn

to fight