形容詞 lawful:

1. conformable to or allowed by law
2. according to custom or rule or natural law
   同義詞：orderly, rule-governed
3. having a legally established claim
   同義詞：true, rightful
4. authorized, sanctioned by, or in accordance with law
   同義詞：legitimate, licit

1. The overthrow of that lawful regime has resulted in a series of riot.
   合法政權(quán)的被推翻導(dǎo)致一連串的暴亂。
2. Not lawful; illegal.
   不合法的; 非法的
3. She is a lawful citizen.
   她是個(gè)守法的公民。
4. It is not lawful to do that.
   做那事是不合法的。

law.ful

adj.（形容詞）
Being within the law; allowed by law:
合法的：在法律允許范圍內(nèi)的；經(jīng)法律允許的：
例句：
lawful methods of dissent.
異議的合法手段

Established, sanctioned, or recognized by the law:
法定的：由法律建立、批準(zhǔn)或認(rèn)可的：
例句：
the lawful heir.
法定繼承人

Obeying the law; law-abiding.
服從法律的；守法的

【引伸】
law.fully
adv.（副詞）
law.fulness
n.（名詞）