on the verge of

verge

1. brink, point, edge, threshold  

2. border, edge, margin, limit, boundary, threshold, brimcome near to, approach, border on, resemble, incline to, be similar to, touch on…

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가장자리, 경계

on the verge of : ~의 경계에 있으므로 뭔가 변화가 일어나기 직전.

                       막 ~ 하려고 하는 중인.

ex)

The country was on the verge of becoming prosperous and successful.

Carole was on the verge of tears.

cf. brink