莊曜禎師兄,咱查了兩個英譯本,「色離」皆譯為「escape from form」。
Bhikkhu Bodhi 的譯文:The removal and abandonment of desire and lust for
form: this is the escape from form.
http://suttacentral.net/sn22.57/en/
Thanissaro Bhikkhu 的譯文:The subduing of desire & passion for form, the
abandoning of desire & passion for form: that is the escape from form.
http://www.accesstoinsight.org/tipitaka/sn/sn22/sn22.057.than.html