tā / suī / rán / duì / lǎo / bǎn / de / jué / dìng / yǒu / yì / jiàn / dàn / yì / zhí / yǒu / suǒ / jì / dàn / bù / gǎn / dāng / miàn / fǎn / bó

他虽然对老板的决定有意见，但一直有所忌惮，不敢当面反驳。

Although he disagreed with the boss's decision, he was afraid of the consequences and did not dare to object openly.