擅自变更或者解除 meaning in English

alter or rescind one’s act arbitrarily

Alter or rescind one ' s act arbitrarily
擅自变更或者解除民事法律行为
Alter or rescind one s act arbitrarily
擅自变更或者解除民事法律行为
The actor shall not alter or rescind his act except in accordance with the law or with the other party s consent
行为人非依法律规定或者取得对方同意，不得擅自变更或者解除。
The parties shall perform their respective obligations in accordance with the contract , and neither party may arbitrarily amend or terminate the contract
当事人应当按照约定履行自己的义务，不得擅自变更或者解除合同。