• НОГИ ЗАПЛЕТАЮТСЯ у кого coll
[VPsubj; presor past]
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⇒ s.o. walks with difficulty (from exhaustion):
- у X-a ноги заплетаются{{}}≈ X can hardly drag himself (his feet) along;
- X can hardly put one foot in front of the other (drag one foot after the other);
- X's legs are giving out.
Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. С.И. Лубенская. 2004.