Questions about cakephp model

Questions about cakephp model
The data structure is as follows:

Array
(
[Test] = Array
(
[id] = 5
[Start_time] =
[End_time] =
[Date] = 0000-00-00
[title] = = Array
(
[en_US] = Title_test
[ZH_HK] = Zh_hk_test
[ZH_CN] = Zh_cn_test
)

[url] = = Array
(
[en_US] = Url_test
[ZH_HK] = Url_test_zh_hk
[ZH_CN] = URL_TEST_ZH_CN
)

[Ready] = 1
[Modified_by] = 1
)
)

SaveAll, how do I save only zh_hk values in the title and URL fields? Thank you

------Solution--------------------
What did you decide to save?

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