buy some time, buy you some timeとかいいます。I will buy you some time. 時間を稼いでやるよ,のように使います。buy yourself time. （時間を稼げ）またはplay for timeと言います。
http://www.youtube.com/watch?v=wZvczHxg0So 0:20 play for time
http://www.youtube.com/watch?v=ZMTIH3-O1Ro&feature=sub 2:12 buy some time
http://www.youtube.com/watch?v=wcSVQxGclR8 1:49 but even if he bought himself some time and averted a split to his party,,, いくら時間を稼いで党の分裂を回避できたとしも、、、
http://www.youtube.com/watch?v=tDFJN9jNw_E 2:16 analysts say the Spanish bailout has bought Europe some time but may be just a few days. アナリストに言わせれば、スペイン銀行救済はヨーロッパの一時（いっとき）の時間しのぎでそれは数日間という短い時間だ。
http://www.youtube.com/watch?v=h0ZP4S3xZgE 1:26:27 I'll buy you a few minutes. 早く行け、もたもたするな。
参考リンク
http://www.youtube.com/watch?v=Cg4LKOvIkoU 2:53 they are just biding time and playing for more time.
練習問題解答
a-1303 bought itself some time
a-6410 buy you some time
a-8742 the time that the pademic has bought them
b-4440 bought him and his security time
