O, Fransızcada yeterlidir.
- She is proficient in French.
O hem İspanyolcada hem de İtalyancada yeterli.
- She is proficient in both Spanish and Italian.
Tom oldukça becerikli, değil mi?
- Tom is quite proficient, isn't he?
En çok hangi yabancı dilde uzmanlaşmış bulunuyorsunuz?
- Which foreign language are you most proficient in?
Tom uzman bir keskin nişancıdır.
- Tom is a proficient marksman.
By constant playing and experimenting with these he learned to tie rude knots, and make sliding nooses; and with these he and the younger apes amused themselves. What Tarzan did they tried to do also, but he alone originated and became proficient.