1、坚守
... keep away from (常与from连用)远离；不接触 keep to sth. 信守；坚持；坚守；不违背(诺言、计划等) keep ...from(doing)sth. 避开；禁止；克制 ...
2、限制自己
... keep sth to oneself 不让他人分享 keep to sth 履行诺言，限制自己 keep to the beaten track 循规蹈矩 ...
keep sth to oneself保密;但请为我们保密;不与他人分享;不让他人分享
keep sth to yourself把…秘而不宣;保守秘密
to keep sth confidential保密
to keep sth secret秘而不宣
to keep sth quiet不提
keep sth down to size把某物限制在一定规模内;翻译
to keep quiet about sth不提