if something is anything to go by 構文

if A is anything to go by （もしAが何かの根拠になるのなら、Aを基に判断すると） の基幹部分は go byで根拠を示す。0:36 Assuming Ben's theory's correct and my tracking model's accurate, we should be getting very close. But don't go by me. I broke a shoelace this morning. It's... it's a bad omen. ベンの予想通りで、探知機が正確なら、お宝はもうすぐそこだ。でも俺の言うことを当てにしちゃいけないぜ。朝くつ紐が切れちまったから。くつ紐が切れるのは縁起が悪いのさ。

National Treasure (Opening Titles)

34:10 there will be depreciation if the Veyron is anything to go by. ブガッティヴェイロンを参考にすれば、ブガッティシロンも値下がりする。ブガッティヴェイロンが値下がりしたようにブガッティシロンも値下がりするだろう。

Here's Why the Bugatti Chiron Is Worth $3 Million

0:01 London's Ecuadorian embassy might be in need of some more security guards, if Julian Assange's growing list of celebrity friends is anything to go by. ジュリアン・アサンジ氏の増えつづけるセレブ支援者たちを基に判断すれば、ロンドンの駐英エクアドル大使館は警備員を増強する必要があるかもしれない。

Lady Gaga makes surprise visit to Assange at Ecuador embassy

練習問題解答
a-5944 if Amsterdam's story is anything to go by
a-6384 if his track record throughout the galaxy is anything to go by
a-6941 if the recent past is anything to go by
b-2119 if numbers are anything to go by
b-3701 if the recent past is anything to go by
b-6007 if prior history is anything to go by